Influence of washing on the adhesion between 3D-printed TPU and woven fabrics

3D printing on textile fabrics can be used to create composites with position-dependent mechanical, water-resistant, magnetic or other properties. An important prerequisite to use such composites technologically or for design purposes is a sufficient adhesion between both materials. While previous s...

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Bibliographic Details
Main Authors: Jannik Störmer, Daniel Görmer, Andrea Ehrmann
Format: article
Language:EN
Published: TU Dresden; Faculty of Mechanical Science and Engineering;Chair of Development and Assembly of Textile Products 2021
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Online Access:https://doaj.org/article/b9da3318c30a4734b4ffd02d60b79a32
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Summary:3D printing on textile fabrics can be used to create composites with position-dependent mechanical, water-resistant, magnetic or other properties. An important prerequisite to use such composites technologically or for design purposes is a sufficient adhesion between both materials. While previous studies revealed that soft, elastic printing polymers were advantageous to prepare connections with a high adhesion, not much research has been performed yet on the dependence of the adhesion on textile fabric structure, heat post-treatment, and the influence of washing, which is necessary for most applications of such composites. Here we investigate composites from thermoplastic polyurethane (TPU) 3D-printed on two different woven cotton fabrics. Besides the expected strong correlation of the adhesion with the distance between nozzle and printing bed, we find a higher adhesion on the thinner fabric and an increase in the adhesion after one washing cycle.